/*
 * Copyright 2004 original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jbfilter.jsp.converters;

import java.util.HashMap;
import java.util.Map;

public enum StandardConverter {
	
	BigDecimal(new BigDecimalConverter()),
	BigInteger(new BigIntegerConverter()),
	Boolean(new BooleanConverter()),
	Byte(new ByteConverter()),
	Character(new CharacterConverter()),
	Double(new DoubleConverter()),
	Date(new DateConverter()),
	Float(new FloatConverter()),
	Integer(new IntegerConverter()),
	Long(new LongConverter()),
	//NumberConverter
	Short(new ShortConverter());
	
	private static final Map<String, Converter<?>> CONVERTERS_BY_CLASSNAME = new HashMap<String, Converter<?>>();
	static {
		for (StandardConverter conv : StandardConverter.values()) {
			CONVERTERS_BY_CLASSNAME.put(conv.getConverter().getRegisteredClass().getName(), conv.getConverter());			
		}
	}
	private Converter<?> converter;

	private StandardConverter(Converter<?> converter) {
		this.converter = converter;
	}

	public Converter<?> getConverter() {
		return converter;
	}
	public static Converter<?> findConverter(String className) throws ClassNotFoundException {
		Converter<?> found = CONVERTERS_BY_CLASSNAME.get(className);
		if (found != null) {
			return found;
		}
		// is it an Enum ???
		Class<?> clazz = Class.forName(className);
		if (clazz.isEnum()) {
			return new EnumConverter(className);
		}
		throw new IllegalArgumentException("No converter found for class '" + className + "'");
	}
}
